<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>队列示例</title>
    <link rel="stylesheet" href="./style.css" />
  </head>
  <body>
    <div id="screen"></div>
    <div class="actions">
      <button id="createNumber">取号</button>
      <button id="callNumber">叫号</button>
    </div>
    <div>当前号码 <span id="newNumber"></span></div>
    <div>当前队列 <span id="queue"></span></div>
    <script src="./main.js"></script>
  </body>
</html>
